Find sine, cosine and tangent from side lengths
SOH CAH TOA: opposite, adjacent and hypotenuse.
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In right triangle ABC the right angle is at C, BC = 56, AC = 90 and AB = 106. What is sin A? Write a fraction in lowest terms.
Answer: 28/53
In right triangle ABC the right angle is at C, BC = 66, AC = 112 and AB = 130. What is tan A? Write a fraction in lowest terms.
Answer: 33/56
In right triangle ABC the right angle is at C, BC = 32, AC = 126 and AB = 130. What is sin A? Write a fraction in lowest terms.
Answer: 16/65
Tip: SOH CAH TOA: opposite, adjacent and hypotenuse.
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